1971 s/s Lincoln cent mint mark?

Discussion in 'Error Coins' started by amnight, Dec 9, 2012.

  1. amnight

    amnight Active Member

    Wanted to know if this is an S over S mint mark? Also it looks like machine doubling on the 9 but wanted to know if where the horizontal and vertical lines of the 7 meet if there is doubling? Thanks.:smile
    Image869.jpg sovers.jpg
     
    amnight, Dec 9, 2012
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  3. 19Lyds

    19Lyds Member of the United States of Confusion

    MDD in my opinion on both the date and the mm.
     
    19Lyds, Dec 9, 2012
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  4. non_cents

    non_cents Well-Known Member

    Yep, machine doubling. Very common on cents 1968-1972. Keep up the hunt!
     
    non_cents, Dec 9, 2012
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  5. amnight

    amnight Active Member

    I agree about the machine doubling, but I thought the mint marks were hand punched until 1990...
     
    amnight, Dec 9, 2012
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  6. non_cents

    non_cents Well-Known Member

    They were, but they can still receive machine doubling as well. Machine doubling occurs when a coin is struck and the die shifts or bounces slightly. It can affect the mintmark as well as the date.
     
    non_cents, Dec 9, 2012
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  7. amnight

    amnight Active Member

    I see. Thanks for schooling me! I am in desperate need of as much information I can find about coins!:)
     
    amnight, Dec 9, 2012
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